/*
 * Copyright (c) 2009 John Pritchard, WTKX Project Group
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package wtkx.in;

import java.io.InputStream;
import java.io.IOException;
import java.net.URL;

/**
 * 
 * @see Canvas
 * @author jdp
 */
public interface DisplayContainer
    extends BackingStore.Container
{
    /**
     * @return May be null for not found.
     * @exception An error from the communications layers.
     */
    public InputStream getInputStream(String path)
        throws IOException;

    /**
     * @return May be null for not found.
     */
    public URL getInputURL(String path);

}
